Diaper bag backpack



FIG. 1 is a front perspective view of a diaper bag backpack in accordance with the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof.

The dotted lines depict stitching and form no part of the claimed design. The evenly dashed lines depict unclaimed portions of the diaper bag backpack and form no part of the claimed design. 

CLAIM The ornamental design for a diaper bag backpack, as shown and described. 